Linear flow gradients for automatic titrations
✍ Scribed by I.López García; P. Viñas; N. Campillo; M. Hernández Córdoba
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 790 KB
- Volume
- 308
- Category
- Article
- ISSN
- 0003-2670
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📜 SIMILAR VOLUMES
Vanable flow-rate patterns were used to develop automatic complexometrlc and redox tltratlon procedures m usegmented contmuous-flow systems Complexometrlc tltratlons were camed out by usmg EDTA as titrant and were apphed to single and simultaneous determmatlons of several metal Ions with coloured md
pK values of phthahc acid, phosphonc acid and EDTA (pK,, pK, and pK, only) have been determmed by rapid gradient flow mJectlon tltratlon Key factors m expenmental design have been mvestlgated, vtz pH range of the tltratlon, duectlon of tltratlon, flow-rate and weak acid concentration Under optimum c
Automatx acid-base trtratlons were carned out by generating pH grachents m a continuous-flow mamfold A programmable, computer-controlled pump was used to produce vanable, reproducible flow-rate patterns that were used to mcrease gradually the tltrant concentration m the flow system A colorlmetrlc md